The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ANIKA THERAPEUTICS INC COM 035255108 18,696,569 1,243,950 SH SOLE 1,243,950 0 0
ANIKA THERAPEUTICS INC COM 035255108 10,450,479 695,308 SH OTR 0 695,308 0
ANIKA THERAPEUTICS INC COM 035255108 1,542,003 102,595 SH OTR 0 0 102,595
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,677,627 3,150 SH OTR 0 0 3,150
ENPRO INC COM 29355X107 28,319,398 175,038 SH SOLE 175,038 0 0
ENPRO INC COM 29355X107 14,492,663 89,577 SH OTR 0 89,577 0
ENPRO INC COM 29355X107 2,205,359 13,631 SH OTR 0 0 13,631
EXTREME NETWORKS COM 30226D106 26,956,760 2,037,548 SH SOLE 2,037,548 0 0
EXTREME NETWORKS COM 30226D106 11,887,975 898,562 SH OTR 0 898,562 0
EXTREME NETWORKS COM 30226D106 2,253,545 170,336 SH OTR 0 0 170,336
GENTHERM INC COM 37253A103 35,400,311 1,323,871 SH SOLE 1,323,871 0 0
GENTHERM INC COM 37253A103 20,687,428 773,651 SH OTR 0 773,651 0
GENTHERM INC COM 37253A103 3,018,037 112,866 SH OTR 0 0 112,866
HACKETT GROUP INC COM 404609109 14,215,179 486,488 SH SOLE 486,488 0 0
HACKETT GROUP INC COM 404609109 7,286,504 249,367 SH OTR 0 249,367 0
HACKETT GROUP INC COM 404609109 1,249,447 42,760 SH OTR 0 0 42,760
HARMONIC INC COM 413160102 26,642,171 2,778,120 SH SOLE 2,778,120 0 0
HARMONIC INC COM 413160102 10,395,080 1,083,950 SH OTR 0 1,083,950 0
HARMONIC INC COM 413160102 2,201,845 229,598 SH OTR 0 0 229,598
HAYWARD HLDGS INC COM 421298100 23,750,388 1,706,206 SH SOLE 1,706,206 0 0
HAYWARD HLDGS INC COM 421298100 2,997,728 215,354 SH OTR 0 215,354 0
HAYWARD HLDGS INC COM 421298100 1,984,101 142,536 SH OTR 0 0 142,536
MATERION CORP COM 576690101 38,827,320 475,825 SH SOLE 475,825 0 0
MATERION CORP COM 576690101 22,788,840 279,275 SH OTR 0 279,275 0
MATERION CORP COM 576690101 3,236,664 39,665 SH OTR 0 0 39,665
MIMEDX GROUP INC COM 602496101 35,256,012 4,638,949 SH SOLE 4,638,949 0 0
MIMEDX GROUP INC COM 602496101 19,686,880 2,590,379 SH OTR 0 2,590,379 0
MIMEDX GROUP INC COM 602496101 2,813,740 370,229 SH OTR 0 0 370,229
N-ABLE INC COMMON STOCK 62878D100 4,591,009 647,533 SH SOLE 647,533 0 0
N-ABLE INC COMMON STOCK 62878D100 372,204 52,497 SH OTR 0 0 52,497
OOMA INC COM 683416101 27,322,404 2,087,273 SH SOLE 2,087,273 0 0
OOMA INC COM 683416101 13,638,877 1,041,931 SH OTR 0 1,041,931 0
OOMA INC COM 683416101 2,261,991 172,803 SH OTR 0 0 172,803
RED VIOLET INC COM 75704L104 29,192,244 776,596 SH SOLE 776,596 0 0
RED VIOLET INC COM 75704L104 13,675,881 363,817 SH OTR 0 363,817 0
RED VIOLET INC COM 75704L104 2,572,359 68,432 SH OTR 0 0 68,432
SONOS INC COM 83570H108 33,757,426 3,163,770 SH SOLE 3,163,770 0 0
SONOS INC COM 83570H108 19,298,498 1,808,669 SH OTR 0 1,808,669 0
SONOS INC COM 83570H108 2,950,212 276,496 SH OTR 0 0 276,496
SYNAPTICS INC COM 87157D109 43,120,981 676,726 SH SOLE 676,726 0 0
SYNAPTICS INC COM 87157D109 25,311,177 397,225 SH OTR 0 397,225 0
SYNAPTICS INC COM 87157D109 3,618,149 56,782 SH OTR 0 0 56,782
TECHTARGET INC COM NEW 87874R308 39,199,271 2,646,811 SH SOLE 2,646,811 0 0
TECHTARGET INC COM NEW 87874R308 24,446,512 1,650,676 SH OTR 0 1,650,676 0
TECHTARGET INC COM NEW 87874R308 3,396,659 229,349 SH OTR 0 0 229,349